/*
* <FlowShopOpCrossoverQuad.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Arnaud Liefooghe
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software.  You can  use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and  rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty  and the software's author,  the holder of the
* economic rights,  and the successive licensors  have only  limited liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading,  using,  modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean  that it is complicated to manipulate,  and  that  also
* therefore means  that it is reserved for developers  and  experienced
* professionals having in-depth computer knowledge. Users are therefore
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*/
//-----------------------------------------------------------------------------

#ifndef FLOWSHOPOPCROSSOVERQUAD_H_
#define FLOWSHOPOPCROSSOVERQUAD_H_

#include <eoOp.h>
#include <FlowShop.h>

/**
 * Quadratic crossover operator for flow-shop (modify the both genotypes)
 */
class FlowShopOpCrossoverQuad : public eoQuadOp < FlowShop >
  {
  public:

    /**
     * the class name (used to display statistics)
     */
    std::string className() const;


    /**
     * eoQuad crossover - _flowshop1 and _flowshop2 are the (future) offspring, i.e. _copies_ of the parents
     * @param _flowshop1 the first parent
     * @param _flowshop2 the second parent
     */
    bool operator()(FlowShop & _flowshop1, FlowShop & _flowshop2);


  private:

    /**
     * generation of an offspring by a 2 points crossover
     * @param _parent1 the first parent
     * @param _parent2 the second parent
     * @param _point1 the first point
     * @param _point2 the second point
     */
    FlowShop generateOffspring(const FlowShop & _parent1, const FlowShop & _parent2, unsigned int _point1, unsigned int _point2);

  };

#endif /*FLOWSHOPOPCROSSOVERQUAD_H_*/
